TWI541490B - A high dynamic range sensing device and a sensing method thereof - Google Patents

Description

High dynamic range sensing device and sensing method thereof 【0001】

The present invention relates to a high dynamic range sensing device and a sensing method thereof, and more particularly to a sensing value for quickly erasing signal saturation in a sensing value obtained by a sensing unit of a plurality of different sensing ranges by using a control unit. At the same time, quickly switch between the sensing units to achieve a high dynamic range sensor.

【0002】

Animals are faced with a lot of environmental information at any time. However, the energy resources of animals are limited, so it is impossible to respond to all the stimuli in the environment. The information collected by the sensory organs must be screened in order to properly use the resources. Respond to important stimuli to continue the survival of animals.

[0003]

In the process of stimulating the sensory nerve to the sensory center, there are two kinds of screening, one of which occurs in the peripheral nervous system, so that unnecessary information from the environment is removed in the sensory stage, and another screening occurs in the central nervous system. Further screening of intelligence. For example, after the odor molecules are in contact with the cells of the antennae of the Drosophila, the signal is transmitted to the rear olfactory globule and then passes through the process of noise filtering and signal enhancement, and then transmitted to the scorpion of the brain for analysis and judgment of the signal. Finally, it is transmitted to the higher level of the brain, allowing the fruit fly to evade or approach the source of the odor.

[0004]

In the animal's nervous system, feedback and suppression between the signal paths enable the animal to quickly screen and respond to the signal. The inventor used this as an inspiration to conceive a number that can be quickly obtained by several sensing units. A sensing device that selects between the sensing values can achieve a high dynamic range effect by arranging the sensing range distribution of each sensing unit.

[0005]

Therefore, the present invention provides a high dynamic range sensing device and a sensing method thereof. The device includes at least two sensing units, each having a different sensing range, and respectively obtaining respective sensing signals when sensing the target signal. Value, and each sensing value is traded through a control unit or each sensing unit is switched. In order to simplify the judgment, the control unit preferentially discards the sensing value obtained by the signal saturation sensing unit, and selects the most sensitive one among the sensing units that do not reach the signal saturation.

[0006]

The main purpose of the present invention is to provide a high dynamic range sensing device, which utilizes a control unit to perform a trade-off between each sensing value obtained by a sensing unit of different sensing ranges or between each sensing unit to achieve a high level. Dynamic range sensing.

【0007】

A secondary object of the present invention is to provide a sensing method for a high dynamic range sensing device, which utilizes a control unit to preferentially discard the sensed value obtained by the sensed unit that has reached the signal saturation or interrupts its sensing to achieve a quick trade-off. Sensing the value or switching the purpose of the sensing unit.

[0008]

In order to achieve the above-mentioned purpose and effect, the present invention discloses a high dynamic range sensing device, comprising a first sensing unit, a second sensing unit and a control unit, the first sensing unit having a a first sensing upper limit, sensing a target signal and obtaining a first sensing value; the second sensing unit has a second sensing upper limit greater than the first sensing upper limit, sensing the target signal and obtaining a second sensing value; the control unit is electrically connected to the first sensing unit and the second sensing unit, and receives the first sensing value and the second sensing value, and the first sensing The first sensed value is discarded when the value is equal to the first sensing upper limit.

【0009】

The present invention also discloses a sensing method for a high dynamic range sensing device, which is suitable for the above high dynamic range sensing device, which firstly senses the target signal by the first sensing unit and the second sensing unit. Obtaining the first sensing value and the second sensing value, and then the control unit receives the first sensing value and the second sensing value, and comparing the first sensing value with the first sensing upper limit, If the first sensing value is equal to the first sensing upper limit, the control unit rounds off the first sensing value, and if the first sensing value is less than the first sensing upper limit, the control unit discards the first Two sensed values.

[0010]

In addition, the present invention discloses another high dynamic range sensing device, which also includes a first sensing unit, a second sensing unit, and a control unit, except that the control unit further includes a third sensing unit. The third sensing unit senses the target signal and obtains a third sensing value, and the control unit rounds off the first sensing value when the third sensing value is greater than or equal to the first sensing upper limit or The sensing of the first sensing unit is interrupted.

[0011]

The present invention also discloses another sensing method for a high dynamic range sensing device, which is suitable for the second high dynamic range sensing device described above, which is firstly composed of the first sensing unit, the second sensing unit, and the first The third sensing unit senses the target signal and obtains the first sensing value, the second sensing value, and the third sensing value, and then the control unit receives the first sensing value and the second sensing value. And comparing the third sensing value with the first sensing upper limit, if the third sensing value is greater than or equal to the first sensing upper limit, the control unit rounds off the first sensing value, and if the first The third sensing value is less than the first sensing upper limit, and the control unit discards the second sensing value.

1‧‧‧High dynamic range sensing device

10‧‧‧Control unit

100‧‧‧ third sensing unit

12‧‧‧First sensing unit

120‧‧‧Signal Filter Unit

14‧‧‧Second sensing unit

16‧‧‧Processing unit

2‧‧‧ Target signal

[0012]

FIG. 1A is a schematic diagram showing the connection relationship of components according to a preferred embodiment of the present invention;

Figure B is a flow chart showing the steps of a method according to a preferred embodiment of the present invention;

First C: a schematic structural view of a device according to a preferred embodiment of the present invention;

2A is a schematic diagram showing the connection relationship of components according to another preferred embodiment of the present invention;

2B is a schematic structural view of a device according to another preferred embodiment of the present invention;

2C is a schematic structural view of a device according to another preferred embodiment of the present invention;

Figure 3A is a schematic diagram showing the connection relationship of components according to still another preferred embodiment of the present invention;

Figure 3B is a flow chart showing the steps of a method according to still another preferred embodiment of the present invention;

Figure 3 is a schematic view showing the structure of a device according to still another preferred embodiment of the present invention.

[0013]

In order to provide a better understanding and understanding of the features and the efficacies of the present invention, the preferred embodiment and the detailed description are as follows:

[0014]

The invention is a high dynamic range sensing device and a sensing method thereof, which are characterized in that: the sensing unit compares the sensing value obtained by each sensing unit with the sensing upper limit, and quickly discards the sensing value equal to the sensing upper limit. Excluding the sensing unit that saturates the signal of the target signal, thereby switching between the sensing units of different sensing ranges or selecting the most suitable one among the sensing values, and arranging the sensing of each sensing unit The range achieves the effect of high dynamic range sensing.

[0015]

First, please refer to FIG. 1A, FIG. 1B and the first C diagram, which are schematic diagrams of component connection relationships, method steps, and device structure diagrams of the first embodiment of the present invention; as shown in FIG. The high dynamic range sensing device 1 is configured to measure a target signal 2, the high dynamic range sensing device 1 includes at least a control unit 10, a first sensing unit 12, and a second sensing unit 14, A sensing unit 12 and the second sensing unit 14 are electrically connected to the control unit 10 respectively.

[0016]

The first sensing unit 12 and the second sensing unit 14 simultaneously sense the target signal 2 to obtain a first sensing value and a second sensing value, respectively, the first sensing value and the second sensing The measured value is transmitted to the control unit 10.

[0017]

The upper limit of the sensing signal of the first sensing unit 12 is a first sensing upper limit, and the lower limit of the sensing signal is a first sensing lower limit, and the first sensing lower limit and the first sensing upper limit are called The first sensing unit 12 has a first sensing range. The upper limit of the sensing signal of the second sensing unit 14 is a second one sensing upper limit, and the lower limit of the sensing signal is a second sensing lower limit. The second sensing lower limit and the first second sensing upper limit are referred to as one of the second sensing ranges of the second sensing unit 14 .

[0018]

The first sensing upper limit is smaller than the second sensing upper limit, that is, the first sensing unit 12 is easier to achieve signal saturation than the second sensing unit 14 when the actual value of the target signal 2 is greater than or equal to the first When the upper limit is sensed, the first sensed value is equal to the first sensed upper limit, and the signal is saturated and cannot reflect the actual value of the target signal 2. At this time, if the actual value of the target signal 2 is still smaller than the second sense When the upper limit is measured and is still within the second sensing range, the actual value of the target signal 2 can be reflected by the second sensed value.

[0019]

In this embodiment, the first sensing lower limit is smaller than the second sensing lower limit, that is, the first sensing unit 12 is more sensitive than the second sensing unit 14, and the second sensing lower limit is smaller than the first The sensing upper limit is achieved by arranging the first sensing range and the second sensing range to be connected to each other, and the target signal 2 having a wider range of actual values can be covered to achieve high dynamic range sensing.

[0020]

Therefore, when the first sensing value is equal to the first sensing upper limit, that is, the first sensing unit 12 has reached signal saturation, the control unit 10 rounds off the first sensing value and takes the second sensing. The value, on the other hand, when the first sensing value is less than the first sensing upper limit, the control unit 10 rounds off the second sensing value to take the first sensing value.

[0021]

As shown in FIG. B, the sensing method of the high dynamic range sensing device of the present invention includes at least the following steps:

[0022]

Step S10: The first sensing unit senses the target signal and obtains the first sensing value, and the second sensing unit senses the target signal and obtains the second sensing value;

[0023]

Step S20: The control unit receives the first sensing value and the second sensing value;

[0024]

Step S30: The control unit compares the first sensing value with the first sensing upper limit;

[0025]

Step S40: the control unit rounds off the first sensing value; and

[0026]

Step S42: The control unit discards the second sensing value.

[0027]

In the step S10, when the target signal 1 is sensed by the high dynamic range sensing device 1 of the present invention, the first sensing unit 12 and the second sensing unit 14 simultaneously sense the target signal 2 and obtain the target signals 2 as described above. The first sensing value and the second sensing value, and the first sensing unit 12 and the second sensing unit 14 respectively respectively the first sensing value and the second sensing value in step S20 The control unit 10 can transmit the first sensing value and the first sensing upper limit to compare the first sensing value and the second sensing value by using the step S30.

[0028]

As described above, when the first sensing value is equal to the first sensing upper limit, displaying the target signal 2 causes the first sensing unit 12 to be signal saturated, and in step S40, the control unit 10 discards the sense. Taking the second sensing value as a measured value, and when the first sensing value is less than the first sensing upper limit, indicating that the first sensing unit 12 has not reached the level of signal saturation, proceeding to step S42, The control unit 10 rounds off the second sensed value to take the first sensed value.

[0029]

The first sensing value obtained by the first sensing unit 12 and the second sensing unit 14 by the high dynamic range sensing device 1 of the present invention can be obtained by the control unit 10 through the setting and the steps of the foregoing components. Preferably, the sensing effect is selected between the second sensing value and the control unit 10 only needs to compare the first sensing value with the first sensing upper limit, and the calculation amount is low, but can be short The first sensing value and the second sensing value are traded off within a time.

[0030]

As shown in FIG. C, the dynamic range sensing device 1 in this embodiment is configured to perform optical sensing, and the control unit 10, the first sensing unit 12, and the second sensing unit 14 are arranged as In the figure, the control unit 10 is arranged in the center, and the first sensing unit 12 and the second sensing unit 14 are interleaved around the control unit 10, so that the first sensing unit 12 can be The second sensing unit 14 achieves a good sensing effect on the target signal 2 .

[0031]

Referring to the first A diagram and the first B diagram, the high dynamic range sensing apparatus 1 of the present invention may further include a processing unit 16 electrically connected to the control unit 10 and receivable without being controlled. The sensing method of the high dynamic range sensing device of the present invention may further include the following steps after the step S40 and the step S42 are performed by the first sensing value or the second sensing value of the unit 10:

[0032]

Step S50: the processing unit receives the second sensing value; and

[0033]

Step S52: The processing unit receives the first sensing value.

[0034]

Step S50 is performed after step S40. The control unit 10 sends the second sensing value to the processing unit 16 after the first sensing value is discarded. Step S52 is performed after step S42, and the control unit 10 is discarded. After the second sensing value, the first sensing value is transmitted to the processing unit 16, and the processing unit 16 can further utilize the first sensing value or the second sensing value.

[0035]

Please refer to FIG. 2A, FIG. 2B and FIG. 2C, which are schematic diagrams of component connection relationship, method step flow chart and device structure diagram of the second embodiment of the present invention; as shown in FIG. 2A, the implementation The main difference between the example and the first embodiment is that the second sensing unit 14 is composed of the first sensing unit 12 and a signal filtering unit 120, and the signal filtering unit 120 is disposed in the first sense. The measuring unit 12 is connected to the target signal 2 to filter the target signal 2.

[0036]

The target signal 2 filtered by the signal filtering unit 120 causes the first sensing unit 12 included in the second sensing unit 14 to generate the second sensing value, which is equivalent to the first feeling. The first sensing upper limit and the first sensing lower limit of the measuring unit 12 are adjusted to be higher by the second sensing upper limit and the second sensing lower limit by the setting of the signal filtering unit 120.

[0037]

As shown in FIG. 2B, the control unit 10 determines, by comparing the first sensing value with the first sensing upper limit, the first sensing value and the second sensing value by comparing the first sensing value. Since the second sensing value is the target signal 2 filtered by the signal filtering unit 120 instead of the actual value of the target signal 2, the embodiment further includes the following steps after the step S60:

[0038]

Step S60: The processing unit restores the first sensing value.

[0039]

When the signal filtering unit 120 filters the target signal 2, the target signal 2 can be reduced by a ratio. In step S60, the processing unit 16 restores the second sensing value according to the ratio, for example, the signal filtering unit 120 can If the target signal 2 filters out 20%, the processing unit 16 should restore the second sensing value to 125% to obtain the actual value of the target signal 2.

[0040]

The high dynamic range sensing device 1 of the present invention can be used as the second sensing unit 14 by the setting of the signal filtering unit 120, and the same can be used as the second sensing unit 14 When the second sensing unit 14 causes the first sensing unit 12 to exhibit signal saturation, the second sensing unit 14 that is not saturated with the signal obtains the second sensing value, and then restores the second sensing value to the second sensing unit. The actual value of the target signal 2.

[0041]

As shown in FIG. 2C, the dynamic range sensing device 1 of the present embodiment can also be used for optical sensing, and the signal filtering unit 120 is spaced apart to make the first sensing unit 12 and the second sensing. The unit 14 has a checkerboard staggered distribution as shown in the figure, so that the first sensing unit 12 and the second sensing unit 14 can achieve a good sensing effect on the target signal 2, and the first sensing unit 12 and The first sensing value and the second sensing value obtained by the second sensing unit 14 are transmitted to the control unit 10.

[0042]

Please refer to the third A diagram, the third B diagram, and the third C diagram, which are schematic diagrams of the component connection relationship, the method step flowchart, and the device structure diagram of the third embodiment of the present invention; as shown in FIG. 3A, the implementation The main difference between the example and the first embodiment is that the control unit 10 further includes a third sensing unit 100, and the third sensing unit 100 can also sense the target signal 2 and obtain a third sense. In the embodiment, the control unit 10 determines, according to the third sensing value, the first sensing value and the second sensing value, or switches the first sensing unit 12 and the second sensing. Unit 14.

[0043]

The upper limit of the sensing signal of the third sensing unit 100 is a third sensing upper limit, and the sensing lower limit is a third sensing lower limit, and the third sensing lower limit and the third sensing upper limit are called a third sensing range of the third sensing unit 100, the third sensing range should cover the first sensing upper limit, so that the third sensing value can be used as a determination whether the first sensing unit 12 has The basis for the saturation of the signal.

[0044]

As shown in FIG. 3B, in response to the setting of the third sensing unit 100, step S10 is adjusted to step S12, step S30 is adjusted to step S32, step S40 is adjusted to step S44, and step S42 is adjusted to step S46:

[0045]

Step S12: the first sensing unit senses the target signal and obtains the first sensing value, the second sensing unit senses the target signal and obtains the second sensing value, and the third sensing unit senses the target signal;

[0046]

Step S32: The control unit compares the third sensing value with the first sensing upper limit;

[0047]

Step S44: The control unit discards the first sensing value or interrupts the sensing of the first sensing unit; and

[0048]

Step S46: The control unit discards the second sensing value or interrupts the sensing of the second sensing unit.

[0049]

In step S12, the first sensing unit 12, the second sensing unit 14, and the third sensing unit 100 simultaneously sense the target signal 2 and respectively obtain the first sensing value and the second sensing value. And the third sensed value.

[0050]

As described above, in the embodiment, the control unit 10 determines, according to the third sensing value, a tradeoff between the first sensing value and the second sensing value, or switches the first sensing unit 12 and the second The sensing unit 14 is configured to compare the third sensing value with the first sensing upper limit to determine whether the first sensing value or the second sensing value should be discarded, or The sensing of the first sensing unit 12 or the second sensing unit 14 should be interrupted.

[0051]

When the third sensing value is greater than or equal to the first sensing upper limit, displaying the target signal 2 causes the first sensing unit 12 to be signal saturated. At this time, proceeding to step S44, the control unit 10 rounds off the sense. Taking the second sensing value or interrupting the sensing of the first sensing unit 12, and when the third sensing value is less than the first sensing upper limit, the first sensing unit 12 is not yet displayed. After the signal saturation is reached, the control unit 10 takes the second sensing value to take the first sensing value or interrupt the sensing of the second sensing unit 14. Because the control unit 10 in the embodiment uses the third sensing value instead of the first sensing value fed back by the first sensing unit 12 as a basis for determining, the first sensing unit 12 is still not interrupted. The high dynamic range sensing device 1 of this embodiment is affected to operate normally.

[0052]

The high dynamic range sensing device 1 of the present invention can obtain the third sensing value by using the third sensing unit 100, and replace the first sensing with the third sensing value. The measured value is used as the judgment basis of the control unit 10, so that the sensing of the first sensing unit 12 or the second sensing unit 14 can be further interrupted, in addition to the first sensing value and the second sensing value. And switching between the first sensing unit 12 and the second sensing unit 14.

[0053]

As shown in FIG. 2C, the dynamic range sensing device 1 of the present embodiment can also be used for sensing sound waves. The third sensing unit 100 that can sense the volume in the control unit 10 senses the target signal 2 In order to switch between two microphones having different volume sensing ranges (ie, the first sensing unit 12 and the second sensing unit 14), so that the first sensing lower limit can be used when the volume is small. The first sensing unit 12 is lower (more sensitive), and the second sensing unit 14 having a higher upper sensing limit is used when the volume is louder, so as to avoid excessive noise caused by noise interference such as sprayed wheat. phenomenon.

[0054]

In summary, in the high dynamic range sensing device and the sensing method thereof, the sensing values are first obtained by each sensing unit, and then the sensing unit preferentially compares the sensing units with lower sensing upper limits. The measured value and the sensing upper limit are rounded off, and the sensing unit equal to the sensing upper limit or the sensing value obtained by the interruption is equal to the sensing unit of the sensing upper limit, so as to quickly eliminate the sensing unit that is saturated with the signal of the target signal. The sensing value obtained by the method can be switched between the sensing units of different sensing ranges or the most suitable ones can be selected from the sensing values, and the dynamic range can be achieved by arranging the sensing ranges of the sensing units. The effect of range sensing.

[0055]

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and the equivalents and modifications of the features and spirits described in the claims of the present invention should be included. Within the scope of the patent application of the present invention.

[0056]

The invention is a novelty, progressive and available for industrial use, and should meet the requirements of the patent application stipulated in the Patent Law of China, and 提出 the invention patent application is filed according to law, and the prayer bureau will grant the patent as soon as possible. .

1‧‧‧High dynamic range sensing device

10‧‧‧Control unit

12‧‧‧First sensing unit

14‧‧‧Second sensing unit

16‧‧‧Processing unit

2‧‧‧ Target signal

Claims (16)

[Item 1] A high dynamic range sensing device comprising: a first sensing unit has a first sensing upper limit, and the first sensing unit senses a target signal and obtains a first sensing value; a second sensing unit having a second sensing upper limit, the second sensing upper limit being greater than the first sensing upper limit, the second sensing unit sensing the target signal and obtaining a second sensing value; as well as a control unit is electrically connected to the first sensing unit and the second sensing unit, and receives the first sensing value and the second sensing value, where the first sensing value is equal to the first sensing The first sensed value is discarded when the upper limit is measured. [Item 2] The high dynamic range sensing device of claim 1, wherein the second sensing unit comprises a first sensing unit and a signal filtering unit, wherein the signal filtering unit filters the target signal to enable the The second sensing value is less than the first sensing upper limit. [Item 3] The high dynamic range sensing device of claim 2, further comprising a processing unit electrically connected to the control unit and reducing the ratio of the target signal by the signal filtering unit The second sensed value is up to the target signal. [Item 4] The high dynamic range sensing device of claim 1, wherein the control unit discards the second sensing value when the first sensing value is less than the first sensing upper limit. [Item 5] The high dynamic range sensing device of claim 1, further comprising a processing unit electrically connected to the control unit and receiving the first sense that is not discarded by the control unit The measured value or the second sensed value. [Item 6] A high dynamic range sensing device comprising: a first sensing unit has a first sensing upper limit, and the first sensing unit senses a target signal and obtains a first sensing value; a second sensing unit having a second sensing upper limit, the second sensing upper limit being greater than the first sensing upper limit, the second sensing unit sensing the target signal and obtaining a second sensing value; as well as a control unit is electrically connected to the first sensing unit and the second sensing unit, and receives the first sensing value and the second sensing value, and the control unit includes a third sensing unit. The third sensing unit senses the target signal and obtains a third sensing value. When the third sensing value is greater than or equal to the first sensing upper limit, the first sensing value is discarded or the first is interrupted. Sensing of the sensing unit. [Item 7] The high dynamic range sensing device of claim 6, wherein the second sensing unit comprises a first sensing unit and a signal filtering unit, wherein the signal filtering unit filters the target signal to enable the The second sensing value is less than the first sensing upper limit. [Item 8] The high dynamic range sensing device of claim 7, further comprising a processing unit electrically connected to the control unit and reducing the ratio of the target signal by the signal filtering unit The second sensed value is up to the target signal. [Item 9] The high dynamic range sensing device of claim 6, wherein the control unit discards the second sensed value or interrupts the second sense when the third sensed value is less than the first sensed upper limit Sensing of the measuring unit. [Item 10] The high dynamic range sensing device of claim 6, further comprising a processing unit electrically connected to the control unit and receiving the first sense that is not discarded by the control unit The measured value or the second sensed value. [Item 11] A sensing method for a high dynamic range sensing device is used for a high dynamic range sensing device, the high dynamic range sensing device comprising a first sensing unit having a first sensing upper limit and having a second Sensing one of the upper limits of the second sensing unit and the first sensing upper limit is less than the second sensing upper limit, the steps comprising: The first sensing unit senses a target signal and obtains a first sensing value, and the second sensing unit senses the target signal and obtains a second sensing value; The first sensing unit and the second sensing unit are electrically connected to the first sensing unit and the second sensing unit to receive the first sensing value and the second sensing value; If the first sensing value is equal to the first sensing upper limit, the control unit discards the first sensing value; If the first sensing value is less than the first sensing upper limit, the control unit rounds off the second sensing value. [Item 12] The sensing method of the high dynamic range sensing device of claim 11, wherein the second sensing unit comprises a first sensing unit and a signal filtering unit, wherein the signal filtering unit filters the target The signal is such that the second sensing value is less than the first sensing upper limit, and after the control unit rounds off the first sensing value, the step further includes: The processing unit that is electrically connected to the control unit receives the second sensing value and restores the second sensing value to meet the target signal according to a ratio of the signal filtering unit filtering the target signal. [Item 13] The sensing method of the high dynamic range sensing device of claim 11, wherein the step further comprises: The processing unit electrically connected to the control unit receives the first sensing value or the second sensing value that is not discarded by the control unit. [Item 14] A sensing method for a high dynamic range sensing device is used for a high dynamic range sensing device, the high dynamic range sensing device comprising a first sensing unit having a first sensing upper limit and having a second a second sensing unit and a third sensing unit are electrically connected to the first sensing unit and the second sensing unit, and the first sensing upper limit is smaller than the The second sensing upper limit, the steps of which include: The first sensing unit senses a target signal and obtains a first sensing value, the second sensing unit senses the target signal and obtains a second sensing value, and the third sensing unit senses the Target signal and obtain a third sensing value; The control unit receives the first sensing value and the second sensing value; If the third sensing value is greater than or equal to the first sensing upper limit, the control unit discards the first sensing value; If the third sensing value is less than the first sensing upper limit, the control unit discards the second sensing value. [Item 15] The sensing method of the high dynamic range sensing device of claim 14, wherein the second sensing unit comprises a first sensing unit and a signal filtering unit, wherein the signal filtering unit filters the target The signal is such that the second sensing value is less than the first sensing upper limit, and after the control unit rounds off the first sensing value, the step further includes: The processing unit that is electrically connected to the control unit receives the second sensing value and restores the second sensing value to meet the target signal according to a ratio of the signal filtering unit filtering the target signal. [Item 16] The sensing method of the high dynamic range sensing device according to claim 14, wherein the step further comprises: The processing unit electrically connected to the control unit receives the first sensing value or the second sensing value that is not discarded by the control unit.